The causes of cerebral palsy include: 1. genetic factors: some patients have a family history of cerebral palsy, mental retardation, epilepsy, etc.; 2. prenatal factors: such as intrauterine infection, gestational hypertension, gestational poisoning, etc.; 3. intrapartum factors: such as prematurity, low birth weight babies, neonatal asphyxia, excessive amniotic fluid, too little amniotic fluid, fetal malposition, aging placenta, umbilical cord wrapping around the neck, umbilical cord prolapse, etc.; 4. postpartum factors: such as ischemic-hypoxic encephalopathy, intracranial hemorrhage, nuclear jaundice, cranio-cerebral injury, central nervous system infection, etc.